Environment & Ecology · Environmental Studies
सीवेज ट्रीटमेंट का मुख्य उद्देश्य क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1पानी में घुली हुई ऑक्सीजन के स्तर को कम करना
- 2पानी का तापमान बढ़ाना
- 3अपशिष्ट जल से प्रदूषकों को हटाना✓
- 4पानी का रंग सुधारना
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